Finding the Fourth Proportional to 417,889.75, 576,687.86 and 239,041.75
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Solution
The fourth proportional to 417,889.75, 576,687.86 and 239,041.75 is: 329,877.62
Step by Step Solution
- Step 1: Write the proportion equation
417,889.75 : 576,687.86 = 239,041.75 : x - Step 2: Convert to fraction form
417,889.75/576,687.86 = 239,041.75/x - Step 3: Cross multiply
417,889.75x = 576,687.86 × 239,041.75 - Step 4: Simplify right side
417,889.75x = 137,852,474,062.95 - Step 5: Solve for x
x = 137,852,474,062.95/417,889.75 - Step 6: Final answer
x = 329,877.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.